#  author:张靖昆 date:2020/3/2 name:2——var IDE:PyCharm
"""
n=100
pi=3.1415
r1=3
r2=5
area1=pi*r1*r1
area2=pi*r2*r2

print(area1)
print(area2)
"""
"""
goods_name 表示商品名称

"""
goods_name='benz'
goods_price=100
goods_count=20
# goodsName='byd'
# GoodsName='byd'


